The third book in USA Today bestselling author Nicholas Sansbury Smith's propulsive post-apocalyptic series about one man's mission to save the world.
Humans are losing the war. Master Sergeant Reed Beckham and the survivors of 1st Platoon must battle through the tunnels--where they make a grisly discovery.

Dr. Kate Lovato is working on a new bioweapon to destroy the Variants when a derelict Navy Destroyer crashes into the Connecticut shoreline carrying yet another threat.
As the doomsday clock ticks down and military bases fall across the country, the human...

Extinction Lost is a short story that should be read after book 6, Extinction Aftermath. Note: This story was originally published in SNAFU: Black Ops. The war continues... Two days after the events of Extinction Aftermath, European Unified Command calls on Team Ghost for a top secret mission. The residents of a small Inuit fishing village in Greenland have gone missing and reports of Variants unaffected by Kryptonite have surfaced. Fatigued, injured, and unaware of the events back in the United States, Master Sergeant Joe Fitzpatrick leads Team Ghost into the remote and alien winter...